<form name="punchout_form" method="post" action="https://openapi-sandbox.dl.alipaydev.com/gateway.do?charset=UTF8&method=alipay.trade.page.pay&sign=m5DqCd8dc9fNib2w9BbgSu3taQASdANxrftoKmujnv2qAZ6dbM5pENg%2B0OOeXJke9IAxeIO49dlhctCVI4SaKBmX6TvsBBkwYQZUKMco8zs3i%2FGDEwpWvm5wQwA8I2v1qjFWjMxjarPo%2B%2Fxm%2B1D1wBRYjSnB5Z%2F8ILInIGRhEcw25TClLwfSXkuv4OgesxM833rZmbqSnUorcsaezSUmgfgsoAwTxACvhv%2FxKVto6VBF%2B5PMmI2rrE560Bs8Nyd7fU3lJeToFPYswNm1G%2BCx8BRz9spaZ92dODGhvfuExeimqRgbLEe2zCFsQ%2FOzh1b4YlXsydeNnNjJCSRR8MD5JA%3D%3D&notify_url=https%3A%2F%2Fde9f-221-221-153-66.ngrok-free.app%2Falipay%2Fnotify&version=1.0&app_id=9021000133628817&sign_type=RSA2&timestamp=2024-12-19+19%3A56%3A48&alipay_sdk=alipay-sdk-java-4.35.9.ALL&format=json">
    <input type="hidden" name="biz_content" value="{&quot;out_trade_no&quot;:&quot;200100234567910677980&quot;,&quot;product_code&quot;:&quot;FAST_INSTANT_TRADE_PAY&quot;,&quot;subject&quot;:&quot;2205A测试产品&quot;,&quot;total_amount&quot;:&quot;0.02&quot;}">
    <input type="submit" value="立即支付" style="display:none" >
</form>
<script>document.forms[0].submit();</script>